skirrett noun1 •A metal spike to which is attached a small drum onto which is wound string or line. In use, the spike is pushed into the ground to anchor it, and then the line is pulled out as far as needed to mark a straight edge.In the lecture on the third degree, according to the English work, the following is adopted: “I now present to you the working tools of a Master Mason, which are the Skirrett, Pencil and Compasses..." — 1881 formsskirretts
